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EN
9
Operator's responsibilities
You have purchased a durable and service-friendly product. However,
this also entails obligations. For a perfect function you must ensure:
● Intended operation.
● Regular inspections and service work.
In case of changes in water quality or flow rates, the limits of use of the
system must be checked.Prerequisites for the function and safety of
the product are inspections, regular inspections (every 2 months) by
the operator and a half-yearly (every 6 months) routine maintenance
(EN 806-5) of the entire drinking water installation. A further prerequi-
site for function and warranty is the replacement of wear parts at the
prescribed intervals.
9.1
Intended operation
The intended operation of the product includes commissioning, ope-
ration, decommissioning and, if necessary, recommissioning. Proper
operation of the product and the drinking water installation requires
regular checks, servicing and operation in compliance with the operating
conditions used for planning and installation.
9.2
Inspections
(by the operator)
BWT recommends that the operator regularly carries out and logs the
following checks:
Water pressure:
If the pressure conditions change, the limits of use of the system must
be checked.
Water quality:
If the water quality changes (UV transmission), the operating limits of
the system must be checked.
Flow rate:
If the flow rate (l/min) changes, the operting limits of the system must
be checked.
Tightness:
Checking whether water escapes from the system
Contamination and calcification:
Check whether foreign particles or deposits influence the proper ope-
ration of the device
Condition of the device:
Check whether there is damage and whether all parts are in the inten-
ded place
42
9.3
Inspections
(according to EN 806-5 by the operator)
Inspection activity
Control Change of pressure conditions
Control Change in water quality (UV transmis-
sion)
Flow rate change control (l/min)
Checking the operating status of the product
Product tightness check
Control of soiling and calcification of the product
Product condition control
Functional check
Check connection cable and housing for damage
Check cable laying
Check protective conductor connections
Measuring the current consumption of the entire
system
Voltage measurement
9.4
Maintenance according to EN 806-5
(by BWT customer service or authorized specialist)
Part exchange
The operator must ensure that parts which are subject to wear and ageing
during the service life of the product are replaced by BWT customer
service or an authorised specialist.
The detailed replacement cycles can be seen in the table below.
According to BGV A2 (VBG4) Electrical safety inspection every 2 years
Maintenance activity
Cleaning the emitter sheath tube + the sensor
Maintenance
Wearing part
activity
Replace wea-
Filtermats
ring parts
Emitters
O-ring protective cap
Single/Multi-irradiator O-ring
Radiator tube
Bearing ring
Range
every 2 months
every 2 months
every 2 months
every 2 months
every 2 months
every 2 months
every 2 months
Range
every 2 months
every 2 months
every 2 months
every 2 months
every 2 months
Range
every 6 months
Range
every 6 months
every 10000-
14000 h
every 8000 h
every 8000 h
every 8000 h
every 8000 h
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